Switch-case used in 'performEthereumTransactionWithProofs'.

Author: nickeskov

pkg/state/transaction_performer.go

@@ -359,16 +359,17 @@ func (tp *transactionPerformer) performEthereumTransactionWithProofs(transaction
 	if !ok {
 		return errors.New("failed to convert interface to EthereumTransaction transaction")
 	}
-	_, isEthInvokeScript := ethTx.TxKind.(*proto.EthereumInvokeScriptTxKind)
-	_, isEthInvokeExpression := ethTx.TxKind.(*proto.EthereumInvokeExpressionTxKind)
-	if !(isEthInvokeScript || isEthInvokeExpression) {
-		return errors.New("performing transaction was called, but the transaction is not InvokeScript or InvokeExpression")
+	switch t := ethTx.TxKind.(type) {
+	case *proto.EthereumInvokeScriptTxKind, *proto.EthereumInvokeExpressionTxKind:
+		// ok
+	default:
+		// nothing to do for proto.EthereumTransferWavesTxKind and proto.EthereumTransferAssetsErc20TxKind
+		return errors.Errorf("performing transaction was called, but the transaction is not InvokeScript or InvokeExpression, kind=(%T)", t)
 	}
 	err := tp.stor.commitUncertain(info.blockID)
 	if err != nil {
 		return errors.Wrap(err, "failed to commit invoke changes")
 	}
-	// nothing to do for proto.EthereumTransferWavesTxKind and proto.EthereumTransferAssetsErc20TxKind
 	return nil
 }